Answer:
x = 49.45839812°
Step-by-step explanation:
Formula:

Replace with given values, so

Put in calculator, remember it is is DEGREES not RADIANS
Answer:

Answer:
12
Step-by-step explanation:
add 3x both sides
8x +3 = 99
subtract 3 on both sides
8x = 96
divide by 8
x = 96/8 = 12
Answer:
<h2> x = 10</h2>
Step-by-step explanation:

Answer:
16
Step-by-step explanation:
No it is not divisible by nine